Area of radius 9 circle = PI * 81 =
<span>
<span>
<span>
254.469</span> </span></span>Area of radius 6 circle = PI *
36 =<span>
<span>
<span>
113.097 Difference = </span></span></span><span>141.372 Rounded to nearest hundredth = </span>
<span>
<span>
<span>
141.37</span></span></span>